When i click the next button it force close ; enter code here 05-30 23:46:21.595: VERBOSE/AudioHardwareMSM72XX(95): open driver 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): FATAL EXCEPTION: main 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): java.lang.RuntimeException: Unable to start activity ComponentInfo{yaraby.y/yaraby.y.yarab}: java.lang.NullPointerException 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java: 2669) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java: 2685) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at android.app.ActivityThread.access$2300(ActivityThread.java:126) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2038) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at android.os.Handler.dispatchMessage(Handler.java:99) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at android.os.Looper.loop(Looper.java:123) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at android.app.ActivityThread.main(ActivityThread.java:4633) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at java.lang.reflect.Method.invokeNative(Native Method) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at java.lang.reflect.Method.invoke(Method.java:521) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at co m.android.internal.os.ZygoteInit $MethodAndArgsCaller.run(ZygoteInit.java:858) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at dalvik.system.NativeStart.main(Native Method) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): Caused by: java.lang.NullPointerException 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at yaraby.y.yarab.onCreate(yarab.java:92) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java: 1047) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java: 2633) 05-30 23:46:21.775: ERROR/AndroidRuntime(3401): ... 11 more
Yaraby code enter code here public class yaraby extends Activity { /** Called when the activity is first created. */ String sentence,sentence1, modifiedSentence;; EditText inputfld, txt; TextView Text; Button Enter, Connect, next; Socket clientSocket; DataOutputStream outToServer; BufferedReader inFromServer ; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); inputfld=(EditText)findViewById(R.id.input); Text=(TextView)findViewById(R.id.view); Enter=(Button)findViewById(R.id.enter); Connect=(Button)findViewById(R.id.connect); // yaraby x=new yaraby(); Text.append( "\n about to create a socket"); txt=(EditText)findViewById(R.id.txt); next = (Button) findViewById(R.id.Button01); next.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { try{ Text.append("PPPPP"); Intent i = new Intent(yaraby.this, yarab.class); startActivity(i); Text.append("OPS"); } catch(Error e){ Log.e("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", e.getMessage()); Text.append("ofa7ay"); } }}); } public void appendText(View view){ Text.append( "\n In chat "); try{ // while (true) //{ sentence=inputfld.getText().toString(); sentence1="ingyyyy"; Text.append( "\n DataStream creating"); outToServer.writeBytes(sentence); outToServer.writeBytes(sentence1); Thread.sleep(1000); modifiedSentence = inFromServer.readLine(); Text.append(modifiedSentence); inputfld.setText(null); //if(modifiedSentence.equals("QUIT")) //break; // } } catch(Exception modifiedsentence){ Text.append("Exception"); } } public void connect(View view){ try{ clientSocket= new Socket("192.168.1.6",54611); Text.append( "\n created a socket"); outToServer = new DataOutputStream(clientSocket.getOutputStream()); Text.append( "\n created a datastream"); inFromServer = new BufferedReader(new InputStreamReader(clientSocket.getInputStream())); Text.append( "\n created a bufferReader"); outToServer = new DataOutputStream(clientSocket.getOutputStream()); }catch(Exception e){ System.out.println("Error"); } } } yarab code enter code here public class yarab extends MapActivity { Socket clientSocket; TextView Text; private MapView mapView; private MapController mc; DataOutputStream outToServer; BufferedReader inFromServer ; Button start; int error = 50; GeoPoint p, p2; List<Overlay> mapOverlays; Drawable drawable, drawable2; HelloItemizedOverlay itemizedOverlay, itemizedOverlay2; LocationManager locationManager; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); /* Use the LocationManager class to obtain GPS locations */ LocationManager mlocManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); LocationListener mlocListener = new MyLocationListener(); mlocManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, mlocListener); mapView = (MapView) findViewById(R.id.mapView); // enable Street view by default mapView.setStreetView(true); // enable to show Satellite view mapView.setSatellite(true); // enable to show Traffic on map // mapView.setTraffic(true); mapView.setBuiltInZoomControls(true); // start=(Button)findViewById(R.id.start); mc = mapView.getController(); // mapView.setStreetView(true); // mapView.setSatellite(true); mc.setZoom(12); addOverLays(); // start= (Button) findViewById(R.id.start); start.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { try{ Text.append("oogPPP"); Intent i = new Intent(yarab.this, yaraby.class); startActivity(i); Text.append("OwwwwPS"); } catch(Error e){ e.setStackTrace(null); } }}); } public void addOverLays() { String[] coordinates = { "31.216487288475037", "29.932637214660645", "30.084123015403748", "51.5002", "-0.1262";} double lat = 29.98739718380868, lat2 = 29.987810254096985; double log = 31.442527770886084, log2 = 31.44258677959442; p = new GeoPoint((int) (lat * 1E6), (int) (log * 1E6)); p2 = new GeoPoint((int) (lat2 * 1E6 ), (int) (log2 * 1E6 )); mapOverlays = mapView.getOverlays(); drawable = this.getResources().getDrawable(R.drawable.wit); drawable2 = this.getResources().getDrawable(R.drawable.ballon); itemizedOverlay = new HelloItemizedOverlay(drawable, this); itemizedOverlay2 = new HelloItemizedOverlay(drawable2, this); OverlayItem overlayitem = new OverlayItem(p, "Cairo", " over1"); OverlayItem over2 = new OverlayItem(p2, "ulm", "over2"); itemizedOverlay.addOverlay(overlayitem); mapOverlays.add(itemizedOverlay); itemizedOverlay2.addOverlay(over2); mapOverlays.add(itemizedOverlay2); mc.setZoom(17); // mc.animateTo(p19); } public void Location(){ LocationManager myLocationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE); LocationListener mlocListener1 = new MyLocationListener(); LocationManager mlocManager1 = null; mlocManager1.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, mlocListener1); // Get the current location in start-up GeoPoint initGeoPoint = new GeoPoint((int) (myLocationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER) .getLatitude()*1000000),(int) (myLocationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getLongitude()*1000000)); mc.animateTo(initGeoPoint); mc.setZoom(16); drawable21 = this.getResources().getDrawable(R.drawable.ggg); itemizedOverlay21 = new HelloItemizedOverlay(drawable21,this); OverlayItem over21 = new OverlayItem(initGeoPoint, "offff", "over21"); itemizedOverlay21.addOverlay(over21); mapOverlays.add(itemizedOverlay21); } /* Class My Location Listener */ public class MyLocationListener implements LocationListener { @Override public void onLocationChanged(Location loc) { GeoPoint point = new GeoPoint((int) (loc.getLatitude() * 1E6), (int) (loc.getLongitude() * 1E6)); String Text = "My current location is: " + "Latitud =" + loc.getLatitude()+ "Longitud =" +loc.getLongitude() ;// loc.getLongitude() ; // loc.getLatitude()+"anoog" + (p3.getLatitudeE6() - error) Toast.makeText(getApplicationContext(), Text, Toast.LENGTH_SHORT).show(); mc.animateTo(point); } private Resources getResources() { // TODO Auto-generated method stub return null; } public void onProviderDisabled(String provider) { Toast.makeText(getApplicationContext(), "Gps Disabled", Toast.LENGTH_SHORT).show(); } public void onProviderEnabled(String provider) { Toast.makeText(getApplicationContext(), "Gps Enabled", Toast.LENGTH_SHORT).show(); } public void onStatusChanged(String provider, int status, Bundle extras) { } protected boolean isRouteDisplayed() { return false; } }/* End of Class MyLocationListener */ @Override protected boolean isRouteDisplayed() { // TODO Auto-generated method stub return false; } } -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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